linux-kernel - [PATCH] nvme: add nvme_complete_req tracepoint for batched completion

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Date:   Tue,  8 Feb 2022 00:28:06 +0100
From:   Bean Huo <huobean@...il.com>
To:     kbusch@...nel.org, axboe@...com, hch@....de, sagi@...mberg.me,
        linux-nvme@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, beanhuo@...ron.com
Subject: [PATCH] nvme: add nvme_complete_req tracepoint for batched completion

From: Bean Huo <beanhuo@...ron.com>

Add NVMe request completion trace in nvme_complete_batch_req() because
nvme:nvme_complete_req tracepoint is missing in case of request batched
completion.

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/nvme/host/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 5e0bfda04bd7..eaf0b18ff29e 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -368,6 +368,7 @@ EXPORT_SYMBOL_GPL(nvme_complete_rq);
 
 void nvme_complete_batch_req(struct request *req)
 {
+	trace_nvme_complete_rq(req);
 	nvme_cleanup_cmd(req);
 	nvme_end_req_zoned(req);
 }
-- 
2.25.1